Public bug reported:

Updated from linux-image-3.13.0-63-lowlatency to 
linux-image-3.13.0-65-lowlatency and at the following boot login failed and 
row-res mode appeared.
I tried `update-initramfs -k -u` in recovery mode but it didn't help. It seems 
that the graphical login fails because of a failure to mount the encrypted home.
On all the previous kernel updates, no such problem occurred.
Booting into the older kernel works fine.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-63-lowlatency 3.13.0-63.103
ProcVersionSignature: Ubuntu 3.13.0-63.103-lowlatency 3.13.11-ckt25
Uname: Linux 3.13.0-63-lowlatency x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.15
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  muranyia   3049 F.... pulseaudio
 /dev/snd/controlC0:  muranyia   3049 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory: 'iw'
CurrentDesktop: Unity
Date: Thu Oct  1 16:30:02 2015
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=66f8ebeb-7c0a-4732-872c-94560438765b
InstallationDate: Installed on 2013-06-10 (842 days ago)
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 
(20130214)
IwConfig:
 eth1      no wireless extensions.
 
 lo        no wireless extensions.
MachineType: To be filled by O.E.M. To be filled by O.E.M.
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-63-lowlatency 
root=UUID=991e27c8-91ce-4695-b75f-f1647644d93c ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-63-lowlatency N/A
 linux-backports-modules-3.13.0-63-lowlatency  N/A
 linux-firmware                                1.127.15
RfKill:
 0: hci0: Bluetooth
        Soft blocked: yes
        Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2014-08-29 (397 days ago)
dmi.bios.date: 05/30/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0503
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: M5A97
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr0503:bd05/30/2011:svnTobefilledbyO.E.M.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnASUSTeKComputerINC.:rnM5A97:rvrRev1.xx:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To be filled by O.E.M.
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: To be filled by O.E.M.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug third-party-packages trusty

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https://bugs.launchpad.net/bugs/1501789

Title:
  Mounting encrypted home and video driver fail at kernel update

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